CN114498725A - 一种光伏发电系统、光伏逆变器及iv曲线扫描的方法 - Google Patents

一种光伏发电系统、光伏逆变器及iv曲线扫描的方法 Download PDF

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Publication number
CN114498725A
CN114498725A CN202011271440.2A CN202011271440A CN114498725A CN 114498725 A CN114498725 A CN 114498725A CN 202011271440 A CN202011271440 A CN 202011271440A CN 114498725 A CN114498725 A CN 114498725A
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CN
China
Prior art keywords
circuit
photovoltaic
circuits
online
curve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011271440.2A
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English (en)
Chinese (zh)
Inventor
于心宇
辛凯
汪建强
万松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Digital Power Technologies Co Ltd
Original Assignee
Huawei Digital Power Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Digital Power Technologies Co Ltd filed Critical Huawei Digital Power Technologies Co Ltd
Priority to CN202011271440.2A priority Critical patent/CN114498725A/zh
Priority to PCT/CN2021/112451 priority patent/WO2022100179A1/zh
Priority to EP21890708.7A priority patent/EP4236063A4/de
Priority to AU2021380440A priority patent/AU2021380440B2/en
Publication of CN114498725A publication Critical patent/CN114498725A/zh
Priority to US18/316,387 priority patent/US20230291208A1/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H02J1/106—Parallel operation of dc sources for load balancing, symmetrisation, or sharing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
    • H02J3/0012—Contingency detection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H02J2300/26—The renewable source being solar energy of photovoltaic origin involving maximum power point tracking control for photovoltaic sources
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electrical Variables (AREA)
  • Photovoltaic Devices (AREA)
  • Inverter Devices (AREA)
CN202011271440.2A 2020-11-13 2020-11-13 一种光伏发电系统、光伏逆变器及iv曲线扫描的方法 Pending CN114498725A (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN202011271440.2A CN114498725A (zh) 2020-11-13 2020-11-13 一种光伏发电系统、光伏逆变器及iv曲线扫描的方法
PCT/CN2021/112451 WO2022100179A1 (zh) 2020-11-13 2021-08-13 一种光伏发电系统、光伏逆变器及iv曲线扫描的方法
EP21890708.7A EP4236063A4 (de) 2020-11-13 2021-08-13 Fotovoltaisches stromerzeugungssystem, fotovoltaischer wechselrichter und verfahren zur abtastung der iv-kurve
AU2021380440A AU2021380440B2 (en) 2020-11-13 2021-08-13 Photovoltaic power generation system, photovoltaic inverter, and iv curve scanning method
US18/316,387 US20230291208A1 (en) 2020-11-13 2023-05-12 Photovoltaic power generation system, photovoltaic inverter, and iv curve scanning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011271440.2A CN114498725A (zh) 2020-11-13 2020-11-13 一种光伏发电系统、光伏逆变器及iv曲线扫描的方法

Publications (1)

Publication Number Publication Date
CN114498725A true CN114498725A (zh) 2022-05-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011271440.2A Pending CN114498725A (zh) 2020-11-13 2020-11-13 一种光伏发电系统、光伏逆变器及iv曲线扫描的方法

Country Status (5)

Country Link
US (1) US20230291208A1 (de)
EP (1) EP4236063A4 (de)
CN (1) CN114498725A (de)
AU (1) AU2021380440B2 (de)
WO (1) WO2022100179A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116742703B (zh) * 2023-06-13 2024-06-25 安徽华晟新能源科技有限公司 多光伏电站发电并网的功率调配方法、装置、设备和介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105743439B (zh) * 2016-02-29 2019-02-26 华为技术有限公司 光伏电池组串运行参数的检测方法及相关装置
CN105680797B (zh) * 2016-03-01 2018-03-27 华为技术有限公司 一种检测光伏组串的电流电压曲线的方法及系统
CN106712716B (zh) * 2017-02-10 2019-02-01 阳光电源股份有限公司 一种光伏组件的iv曲线扫描方法及优化器
KR101939156B1 (ko) * 2017-04-28 2019-04-12 한국에너지기술연구원 다채널 태양광 dc 어레이 고장진단 장치
CN107196604B (zh) * 2017-05-26 2020-03-24 阳光电源股份有限公司 一种光伏发电系统及其组件iv曲线扫描方法
CN111162734B (zh) * 2018-11-07 2023-01-06 华为技术有限公司 一种光伏组串的电流电压曲线扫描方法、变流器及系统

Also Published As

Publication number Publication date
EP4236063A1 (de) 2023-08-30
US20230291208A1 (en) 2023-09-14
AU2021380440A1 (en) 2023-06-08
AU2021380440B2 (en) 2024-04-04
EP4236063A4 (de) 2024-04-10
WO2022100179A1 (zh) 2022-05-19
AU2021380440A9 (en) 2024-06-06

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